package ooday01;
/*
构造方法的演示
 */
public class ConsDemo {
    public static void main(String[] args) {
       /*Student zs=new Student("张三",25,"jsa0023","003");
       Student ls =new Student("李四",66);
       Student ww=new Student();
       zs.sayHi();
       ls.sayHi();
       ww.sayHi();*/








        Student lst=new Student();
        Student laow=new Student("老王",38);
        Student laoLi=new Student("老李",40,"jsd64","250");
        lst.sayHi();
        laow.sayHi();
        laoLi.sayHi();
    }

}
